Display screen with transitional graphical user interface



FIG. 1 is a front view of a first image in a sequence for a display screen with transitional graphical user interface showing our new design; and,

FIG. 2 is a front view of a second image thereof.

The broken line showing of the display screen, the elements within the display screen, and the text forms no part of the claimed design. The appearance of the image transitions between the images shown in FIGS. 1-2. The process or period in which an image transitions to another forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with a transitional graphical user interface, as shown and described. 